31 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 15:04:27 15:33:27 15:43:26 15:48:32 22 3 Jun 22, 2018 3 instances 03:04:14 10:38:30 10:50:57 Jul Aug Sep Oct Nov Dec 2017 - 13 instances Jan 6 2 Jan 6, 2017 2 instances 16:28:32 16:31:55 Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:43:20 10:44:53 18:41:19 19:01:40 19:24:19 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:37:20 19:48:13 Nov 8 2 Nov 8, 2017 2 instances 20:50:41 20:50:43 Dec 25 26 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:48:19 10:53:53 10:54:02 10:54:07 30 2 Sep 30, 2016 2 instances 20:07:56 20:13:43 Oct 3 3 Oct 3, 2016 3 instances 13:03:00 13:03:01 13:03:05 Nov Dec 29